As of March 01, 2026, the average salary for a Diesel Engine Mechanic I in the United States is $49,900 per year, which breaks down to an hourly rate of $24.
However, a Diesel Engine Mechanic I's salary can vary significantly. Here’s a look at the typical salary range:
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A Diesel Engine Mechanic I's salary isn't a fixed number. It's shaped by several important factors. Below, we'll explore how your years of experience, geographic location and company size can directly affect your earning potential.
Experience is a primary driver of a Diesel Engine Mechanic I's salary. As you build your skills and take on more complex tasks, your compensation generally increases. Here's how the average salary grows at different career stages:
| Job Role | Years of Experience | Average Salary |
|---|---|---|
| Diesel Engine Mechanic I | 0-1 years | $49,885 |
| Diesel Engine Mechanic II | 1-3 years | $56,064 |
| Diesel Engine Mechanic III | 3-5 years | $63,448 |
| Diesel Maintenance Supervisor | 5+ years | $76,890 |
What Am I Worth?
Your salary can change significantly depending on where you work. States with a higher cost of living and strong industrial sectors often pay more to attract Diesel Engine Mechanic Is. For example, consider the average annual salaries in these key locations:
Understanding how a Diesel Engine Mechanic I's annual salary breaks down can help with budgeting. Below, you can see the average hourly rate, weekly pay, and monthly pay for this role. Use the buttons to switch between different pay periods.
Last Updated on March 01, 2026Promotions are the fastest way to increase your earnings. As a Diesel Engine Mechanic I, you have the following paths for advancement. The table below compares the salary raises for common next-step roles. By comparing these figures, you can choose the career path that best meets your financial goals.
| Next Step Role | Estimate Salary | Projected Raise |
|---|---|---|
| Diesel Engine Mechanic II | $56,100 | 12% |
| Automotive Service Technician II | $55,200 | 11% |
Salaries for a Diesel Engine Mechanic I can change over time, reflecting shifts in market demand and the overall economy. The median salary decreased from $43,895 in 2023 to around $43,801 in 2025, reflecting changes in demand, location, experience, and the wider economy. For a detailed analysis of Diesel Engine Mechanic I salary trends, .
| Year | Average Annual Salary |
|---|---|
| 2022 |
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| 2023 | $43,895 |
| 2024 | $44,039 |
| 2025 | $43,801 |
| 2026 |
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| 2027 |
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